The Cooke S4 set has a top aperture of T 2 along all the focal range. Produced at the end of the 90s and equipped with a standard PL mount, these lenses are well known for their smoothness and low contrast. They also offer amazingly truthful skin tones and perform very well even wide open.
Focal lenghth & Technical specifications:
| Focal | T-Stop | Min. Focus | Weight | Front D. | Size | Filters |
|---|---|---|---|---|---|---|
| 18mm | T2 | 0.64m | 1.6Kg | 110mm | 4×5.65 | |
| 25mm | T2 | 0.64m | 1.6Kg | 110mm | 4×5.65 | |
| 32mm | T2 | 1.52m | 1.85Kg | 110mm | 4×5.65 | |
| 40mm | T2 | 2.16m | 2Kg | 110mm | 4×5.65 | |
| 50mm | T2 | 3.3m | 1.5Kg | 110mm | 4×5.65 | |
| 75mm | T2 | 1.25m | 1.75g | 110mm | 4×5.65 | |
| 100mm | T2 | 1.41m | 2kg | 110mm | 4×5.65 | |
| 135mm | T2 | 1.84m | 2.25Kg | 110mm | 4×5.65 |
